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Finding the Fourth Proportional to 275.10, 377.50 and 250.34

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Solution

The fourth proportional to 275.10, 377.50 and 250.34 is: 343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.10 : 377.50 = 250.34 : x
  2. Step 2: Convert to fraction form
    275.10/377.50 = 250.34/x
  3. Step 3: Cross multiply
    275.10x = 377.50 × 250.34
  4. Step 4: Simplify right side
    275.10x = 94,503.35
  5. Step 5: Solve for x
    x = 94,503.35/275.10
  6. Step 6: Final answer
    x = 343.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.